body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: #181a20;
  color: #e5ffe5;
  margin: 0;
  padding: 0;
}
main {
  max-width: 900px;
  margin: 40px auto;
  background: #23262f;
  padding: 32px 24px;
  border-radius: 12px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.25);
}
h1 {
  font-size: 2.2rem;
  margin-bottom: 1.2rem;
  color: #7fff7f;
}
h2 {
  font-size: 1.4rem;
  margin-top: 2.2rem;
  margin-bottom: 0.8rem;
  color: #39ff14;
}
h3 {
  font-size: 1.1rem;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: #00ff99;
}
p, li, td, th {
  color: #e5ffe5;
}
.button-row {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 16px;
}
.button-row button {
  padding: 0.7em 2em;
  font-size: 1rem;
  border: none;
  border-radius: 6px;
  background: #39ff14;
  color: #181a20;
  cursor: pointer;
  font-weight: bold;
  transition: background 0.2s;
}
.button-row button:hover {
  background: #00ff99;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5em;
  background: #23262f;
}
th, td {
  border: 1px solid #2d3748;
  padding: 8px;
}
th {
  background: #1a2e1a;
  color: #7fff7f;
}
tr:nth-child(even) {
  background: #1e222a;
}
hr {
  border: 0;
  border-top: 1px solid #39ff14;
  margin: 2em 0;
}
a {
  color: #39ff14;
  text-decoration: underline;
}
a:hover {
  color: #00ff99;
}
footer {
  background: #181a20;
  color: #7fff7f;
  text-align: center;
  padding: 1.5em 0;
  font-size: 0.98em;
  margin-top: 2em;
  border-top: 1px solid #39ff14;
}
@media (max-width: 600px) {
  main {
    padding: 12px 4vw;
  }
  h1 {
    font-size: 1.3rem;
  }
  h2 {
    font-size: 1.1rem;
  }
  h3 {
    font-size: 1rem;
  }
}